
SECTION 7 MAINTENANCE AND SERVICING
Form 169000 / 169040
134
Revision D
7.8.10.4 Tension Adjustment: RH Sickle Drive
Timing Belt - A30-D
IMPORTANT
To prolong belt and drive life, do not over-
tighten belts.
CAUTION
Stop engine, and remove key from ignition
before leaving Operator's seat for any
reason. A child or even a pet could engage
an idling machine.
a. Open
RH
endshield.
b. Loosen three nuts (B), and jam-nut on adjuster
bolt (C).
c. Turn adjuster bolt (C) to move pulley (D) until a
force of 5 - 6.5 lbf (22 - 30 N) applied at
mid-span deflects belt (A) 0.55 in. (14 mm).
d. Tighten jam-nut at (C), and three nuts (B).
e. Close
endshield.
f. Re-adjust tension of a new belt after a short
run-in period, (about 5 hours).
7.8.10.5 Removal: RH Sickle Drive Timing Belt:
A30-D
a. Open shield on header RH side.
b. Loosen jam-nut on adjuster bolt (E), and nuts
(F).
c. Turn adjuster bolt (E) to loosen reel drive V-belts
(G), and remove belts from pulley (H).
d. Loosen three nuts (B), and jam-nut on adjuster
bolt (C).
e. Turn adjuster bolt (C) so that sickle drive belt (A)
can be slipped off pulley (D).
f. Remove bolt-in plate in LH endsheet at wobble
box.
g. Slip belt off wobble box pulley, and route belt
through this hole to remove it.
A
B
C
D
F
G
H
E
A